Added 9 October 2026 fitter /ˈfɪtə/ noun Categories: PeopleRare Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about fitter at Wordnik → Where our words come from → A person who fits or assembles something. a fitter of clothing, or of machinery An epileptic. A coal broker who conducts the sales between the owner of a coal pit and the shipper. adjective comparative form of fit: more fit An exercise bike won't make you fitter if you never find time to use it. Related Words: betterhealthierinstallercraftsmanartisandungeondriverstonershopfittershipfittergunfitterupfitter Back to today's word